David Watkinson has contributed to Yes history for decades by providing works such as: the official Yes plaque; the 50th anniversary memorabilia exhibitions; the Accrington Yes exhibition; the books Yes:Perpetual Change, Jon Anderson and The Warriors – The Road To Yes, and Yes In The 1980s; material for Yes tour books; the Yes historic sites bus tour; articles or memorabilia for Yesworld, Record Collector, Prog; guesting on the Yes Music and Yesshift podcasts; CD text for Yes, Mabel Greer's Toyshop, Jon Anderson's Olias of Sunhillow and Animation; and producing the Jon Anderson and The Warriors EP. Originally from Bolton in Lancashire, David now resides in West Sussex.